Examples of javax.sound.sampled.spi.AudioFileWriter

javax.sound.sampled.spi.AudioFileWriter
Provider for audio file writing services. Classes providing concrete implementations can write one or more types of audio file from an audio stream. @author Kara Kytle @since 1.3

  List providers = getAudioFileWriters();
  int bytesWritten = 0;
  boolean flag = false;


  for(int i=0; i < providers.size(); i++) {
      AudioFileWriter writer = (AudioFileWriter) providers.get(i);
      try {
    bytesWritten = writer.write( stream, fileType, out ); // throws IOException
    flag = true;
    break;
      } catch (IllegalArgumentException e) {
    // thrown if this provider cannot write the sequence, try the next
    continue;

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    /**
     * @tests javax.sound.midi.sampled.AudioFileWriter#isFileTypeSupported(AudioFileFormat.Type)
     */
    public void testIsFileTypeSupported1() {
        AudioFileWriter writer = new AudioFileWriter() {


            @Override
            public AudioFileFormat.Type[] getAudioFileTypes() {
                return recorded;
            }


            @Override
            public AudioFileFormat.Type[] getAudioFileTypes(
                    AudioInputStream stream) {
                fail("what are doing here?");
                return null;
            }


            @Override
            public int write(AudioInputStream stream,
                    AudioFileFormat.Type fileType, File out) {
                fail("what are doing here?");
                return 0;
            }


            @Override
            public int write(AudioInputStream stream,
                    AudioFileFormat.Type fileType, OutputStream out) {
                fail("what are doing here?");
                return 0;
            }
        };


        recorded = new AudioFileFormat.Type[] {new AudioFileFormat.Type("1", "2")};


        assertTrue(writer.isFileTypeSupported(recorded[0]));


        AudioFileFormat.Type similar = new AudioFileFormat.Type("1", "2");
        assertTrue(writer.isFileTypeSupported(similar));


        try {
            writer.isFileTypeSupported(null);
            fail("NPE expected");
        } catch (NullPointerException e) {}


        recorded = null;
        try {
            writer.isFileTypeSupported(similar);
            fail("NPE expected");
        } catch (NullPointerException e) {}
    }

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    /**
     * @tests javax.sound.midi.sampled.AudioFileWriter#isFileTypeSupported(AudioFileFormat.Type,AudioInputStream)
     */
    public void testIsFileTypeSupported2() {
        AudioFileWriter writer = new AudioFileWriter() {


            @Override
            public AudioFileFormat.Type[] getAudioFileTypes() {
                fail("what are doing here?");
                return null;
            }


            @Override
            public AudioFileFormat.Type[] getAudioFileTypes(
                    AudioInputStream stream) {
                return recorded;
            }


            @Override
            public int write(AudioInputStream stream,
                    AudioFileFormat.Type fileType, File out) {
                fail("what are doing here?");
                return 0;
            }


            @Override
            public int write(AudioInputStream stream,
                    AudioFileFormat.Type fileType, OutputStream out) {
                fail("what are doing here?");
                return 0;
            }
        };


        recorded = new AudioFileFormat.Type[] { new AudioFileFormat.Type("1",
                "2") };


        assertTrue(writer.isFileTypeSupported(recorded[0], null));


        AudioFileFormat.Type similar = new AudioFileFormat.Type("1", "2");
        assertTrue(writer.isFileTypeSupported(similar, null));


        try {
            writer.isFileTypeSupported(null, null);
            fail("NPE expected");
        } catch (NullPointerException e) {}


        recorded = null;
        try {
            writer.isFileTypeSupported(similar, null);
            fail("NPE expected");
        } catch (NullPointerException e) {}
    }

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    public static AudioFileFormat.Type[] getAudioFileTypes() {
        List providers = getAudioFileWriters();
        Set returnTypesSet = new HashSet();


        for(int i=0; i < providers.size(); i++) {
            AudioFileWriter writer = (AudioFileWriter) providers.get(i);
            AudioFileFormat.Type[] fileTypes = writer.getAudioFileTypes();
            for(int j=0; j < fileTypes.length; j++) {
                returnTypesSet.add(fileTypes[j]);
            }
        }
        AudioFileFormat.Type returnTypes[] = (AudioFileFormat.Type[])

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    public static boolean isFileTypeSupported(AudioFileFormat.Type fileType) {


        List providers = getAudioFileWriters();


        for(int i=0; i < providers.size(); i++) {
            AudioFileWriter writer = (AudioFileWriter) providers.get(i);
            if (writer.isFileTypeSupported(fileType)) {
                return true;
            }
        }
        return false;
    }

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    public static AudioFileFormat.Type[] getAudioFileTypes(AudioInputStream stream) {
        List providers = getAudioFileWriters();
        Set returnTypesSet = new HashSet();


        for(int i=0; i < providers.size(); i++) {
            AudioFileWriter writer = (AudioFileWriter) providers.get(i);
            AudioFileFormat.Type[] fileTypes = writer.getAudioFileTypes(stream);
            for(int j=0; j < fileTypes.length; j++) {
                returnTypesSet.add(fileTypes[j]);
            }
        }
        AudioFileFormat.Type returnTypes[] = (AudioFileFormat.Type[])

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                                              AudioInputStream stream) {


        List providers = getAudioFileWriters();


        for(int i=0; i < providers.size(); i++) {
            AudioFileWriter writer = (AudioFileWriter) providers.get(i);
            if(writer.isFileTypeSupported(fileType, stream)) {
                return true;
            }
        }
        return false;
    }

View Full Code Here

        List providers = getAudioFileWriters();
        int bytesWritten = 0;
        boolean flag = false;


        for(int i=0; i < providers.size(); i++) {
            AudioFileWriter writer = (AudioFileWriter) providers.get(i);
            try {
                bytesWritten = writer.write( stream, fileType, out ); // throws IOException
                flag = true;
                break;
            } catch (IllegalArgumentException e) {
                // thrown if this provider cannot write the sequence, try the next
                continue;

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        List providers = getAudioFileWriters();
        int bytesWritten = 0;
        boolean flag = false;


        for(int i=0; i < providers.size(); i++) {
            AudioFileWriter writer = (AudioFileWriter) providers.get(i);
            try {
                bytesWritten = writer.write( stream, fileType, out ); // throws IOException
                flag = true;
                break;
            } catch (IllegalArgumentException e) {
                // thrown if this provider cannot write the sequence, try the next
                continue;

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        return false;
    }


    public static int write(AudioInputStream stream,
            AudioFileFormat.Type fileType, OutputStream out) throws IOException {
        AudioFileWriter writer;
        for (Iterator providers = ProviderService.getProviders(
                audioFileWriterPath).iterator(); providers.hasNext();) {
            writer = (AudioFileWriter) (providers.next());
            if (writer.isFileTypeSupported(fileType, stream)) {
                return writer.write(stream, fileType, out);
            }
        }
        // sound.18=Type is not supported
        throw new IllegalArgumentException(Messages.getString("sound.18")); //$NON-NLS-1$
    }

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